Please can you help me to solve this and can you illustrate proper please?

Based on the following information (in scrambled order), compute the ending inventory at cost using: the conventional retail method and (2) the cost retail method. You should round the cost-to-retail ratios to four decimal places, e.g. 0.3456780.3457 or 34.57%. In your final answers, separately indicate (a) ending inventory at retail, (b) cost-to-retail ratio, and (c) ending inventory at cost. Summarize your answers on the bottom of page. Answer: (You should also provide your work to support your answers)